Single pole negative feedback for class-D amplifier

Details Single pole negative feedback for class-D amplifier Single pole negative feedback for class-D amplifier

1996-02-27

1998-08-18

Mottola, Steven J.

Amplifiers

Modulator-demodulator-type amplifier

330251, H03F 338

Patent

active

057963029

ABSTRACT:
A single-pole negative feedback D-class amplifier having first and second input terminals for coupling to a signal source and an output terminal through which it transfers pulse modulated signals to a demodulating filter. A first resistor is feedback connected between the output terminal and an input circuit node connected to the second input terminal. A second resistor is connected between the input circuit node and the second input terminal. A capacitor is connected between the input circuit node and the first input terminal.

REFERENCES:
patent: 3537022 (1970-10-01), Regan
patent: 4403196 (1983-09-01), Grandmont
patent: 5218315 (1993-06-01), Turner
European Search Report from European Patent Application 95830063.4, filed Feb. 28, 1995.
Elektor Electronics, vol. 5, No. 9, Sep. 1979 Canterbury, GB, pp. 9.46-9.48, P. Geelen "Self-Oscillating PWM Amplifier".
Electronique Industrielles, No. 22, Oct. 1981 Paris, FR, pp. 37-39, L. Pierre "Sorties De Puissance Pour Amplificateurs Operationnels".

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